21045332520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{947}}^1$

素因数の和:1027

約数の個数: 320

約数和(自身を含む): 74743732800

約数和(自身を除く): 53698400280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 361, 380, 405, 456, 513, 540, 570, 648, 684, 722, 760, 810, 855, 947, 1026, 1080, 1083, 1140, 1368, 1444, 1539, 1620, 1710, 1805, 1894, 2052, 2166, 2280, 2565, 2841, 2888, 3078, 3240, 3249, 3420, 3610, 3788, 4104, 4332, 4735, 5130, 5415, 5682, 6156, 6498, 6840, 6859, 7220, 7576, 7695, 8523, 8664, 9470, 9747, 10260, 10830, 11364, 12312, 12996, 13718, 14205, 14440, 15390, 16245, 17046, 17993, 18940, 19494, 20520, 20577, 21660, 22728, 25569, 25992, 27436, 28410, 29241, 30780, 32490, 34092, 34295, 35986, 37880, 38988, 41154, 42615, 43320, 48735, 51138, 53979, 54872, 56820, 58482, 61560, 61731, 64980, 68184, 68590, 71972, 76707, 77976, 82308, 85230, 89965, 97470, 102276, 102885, 107958, 113640, 116964, 123462, 127845, 129960, 137180, 143944, 146205, 153414, 161937, 164616, 170460, 179930, 185193, 194940, 204552, 205770, 215916, 233928, 246924, 255690, 269895, 274360, 292410, 306828, 308655, 323874, 340920, 341867, 359860, 370386, 383535, 389880, 411540, 431832, 485811, 493848, 511380, 539790, 555579, 584820, 613656, 617310, 647748, 683734, 719720, 740772, 767070, 809685, 823080, 925965, 971622, 1022760, 1025601, 1079580, 1111158, 1169640, 1234620, 1295496, 1367468, 1457433, 1481544, 1534140, 1619370, 1709335, 1851930, 1943244, 2051202, 2159160, 2222316, 2429055, 2469240, 2734936, 2777895, 2914866, 3068280, 3076803, 3238740, 3418670, 3703860, 3886488, 4102404, 4444632, 4858110, 5128005, 5555790, 5829732, 6153606, 6477480, 6495473, 6837340, 7287165, 7407720, 8204808, 9230409, 9716220, 10256010, 11111580, 11659464, 12307212, 12990946, 13674680, 14574330, 15384015, 18460818, 19432440, 19486419, 20512020, 22223160, 24614424, 25981892, 27691227, 29148660, 30768030, 32477365, 36921636, 38972838, 41024040, 46152045, 51963784, 55382454, 58297320, 58459257, 61536060, 64954730, 73843272, 77945676, 92304090, 97432095, 110764908, 116918514, 123072120, 129909460, 138456135, 155891352, 175377771, 184608180, 194864190, 221529816, 233837028, 259818920, 276912270, 292296285, 350755542, 369216360, 389728380, 467674056, 526133313, 553824540, 584592570, 701511084, 779456760, 876888855, 1052266626, 1107649080, 1169185140, 1403022168, 1753777710, 2104533252, 2338370280, 2630666565, 3507555420, 4209066504, 5261333130, 7015110840, 10522666260, 21045332520]

約数ペア:

[(1, 21045332520), (2, 10522666260), (3, 7015110840), (4, 5261333130), (5, 4209066504), (6, 3507555420), (8, 2630666565), (9, 2338370280), (10, 2104533252), (12, 1753777710), (15, 1403022168), (18, 1169185140), (19, 1107649080), (20, 1052266626), (24, 876888855), (27, 779456760), (30, 701511084), (36, 584592570), (38, 553824540), (40, 526133313), (45, 467674056), (54, 389728380), (57, 369216360), (60, 350755542), (72, 292296285), (76, 276912270), (81, 259818920), (90, 233837028), (95, 221529816), (108, 194864190), (114, 184608180), (120, 175377771), (135, 155891352), (152, 138456135), (162, 129909460), (171, 123072120), (180, 116918514), (190, 110764908), (216, 97432095), (228, 92304090), (270, 77945676), (285, 73843272), (324, 64954730), (342, 61536060), (360, 58459257), (361, 58297320), (380, 55382454), (405, 51963784), (456, 46152045), (513, 41024040), (540, 38972838), (570, 36921636), (648, 32477365), (684, 30768030), (722, 29148660), (760, 27691227), (810, 25981892), (855, 24614424), (947, 22223160), (1026, 20512020), (1080, 19486419), (1083, 19432440), (1140, 18460818), (1368, 15384015), (1444, 14574330), (1539, 13674680), (1620, 12990946), (1710, 12307212), (1805, 11659464), (1894, 11111580), (2052, 10256010), (2166, 9716220), (2280, 9230409), (2565, 8204808), (2841, 7407720), (2888, 7287165), (3078, 6837340), (3240, 6495473), (3249, 6477480), (3420, 6153606), (3610, 5829732), (3788, 5555790), (4104, 5128005), (4332, 4858110), (4735, 4444632), (5130, 4102404), (5415, 3886488), (5682, 3703860), (6156, 3418670), (6498, 3238740), (6840, 3076803), (6859, 3068280), (7220, 2914866), (7576, 2777895), (7695, 2734936), (8523, 2469240), (8664, 2429055), (9470, 2222316), (9747, 2159160), (10260, 2051202), (10830, 1943244), (11364, 1851930), (12312, 1709335), (12996, 1619370), (13718, 1534140), (14205, 1481544), (14440, 1457433), (15390, 1367468), (16245, 1295496), (17046, 1234620), (17993, 1169640), (18940, 1111158), (19494, 1079580), (20520, 1025601), (20577, 1022760), (21660, 971622), (22728, 925965), (25569, 823080), (25992, 809685), (27436, 767070), (28410, 740772), (29241, 719720), (30780, 683734), (32490, 647748), (34092, 617310), (34295, 613656), (35986, 584820), (37880, 555579), (38988, 539790), (41154, 511380), (42615, 493848), (43320, 485811), (48735, 431832), (51138, 411540), (53979, 389880), (54872, 383535), (56820, 370386), (58482, 359860), (61560, 341867), (61731, 340920), (64980, 323874), (68184, 308655), (68590, 306828), (71972, 292410), (76707, 274360), (77976, 269895), (82308, 255690), (85230, 246924), (89965, 233928), (97470, 215916), (102276, 205770), (102885, 204552), (107958, 194940), (113640, 185193), (116964, 179930), (123462, 170460), (127845, 164616), (129960, 161937), (137180, 153414), (143944, 146205)]